MAC Chevrolet Trailblazer & GMC Envoy 5.3L V8 2003-2007 Air Induction System The MAC 3353 Air System will include the following: MAC Big Mouth Reusable Filter Special Velocity Stack designed just for GM Mass Air Applications Stainless Steel...

MAC Chevrolet Trailblazer & GMC Envoy 6.0L V8 2006-2007 Air Induction System The MAC 3676 Air System will include the following: MAC Big Mouth Reusable Filter (Part # 30098) Special Velocity Stack designed just for GM Mass Air Applications...